Econo Screen has a one year labor guarantee on all work performed and a 10 year guarantee for new window screen and screens doors installed. The new window screen and new screens door guarantee is that the parts we sell work properly and will be replaced if defective . Regular wear and tear is NOT considered defective or poor labor performed and depending on the problem we might have to charge for the part if broken or worn. All workmanship is always guaranteed to be done 100% right before we leave the job site or we come back to fix the problem for up to 1 year.